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Single Row Cylindrical Roller Bearings With Inner Ring NU 224 ECJ
Single Row Cylindrical Roller Bearings With Inner Ring NU 224 ECJ

Single Row Cylindrical Roller Bearings With Inner Ring NU 224 ECJ

The NU 224 ECJ is a single-row cylindrical roller bearing with a 120mm bore and 215mm outer diameter, crafted from durable chrome steel. It handles combined loads up to 87750 lbf and operates smoothly at speeds up to 4000 RPM.

Its open design allows for easy lubrication with grease or oil, while the steel cage ensures stable performance. The bearing works efficiently in temperatures ranging from -30°C to 110°C.

This model is interchangeable with SKF bearings, making it a practical choice for replacements. Ideal for heavy-duty applications like industrial gearboxes or machinery where radial and axial loads are present.

Weighing 5.65kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and reliable use.

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Product Parameters

  • Part Number NU 224 ECJ
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 120 mm
  • Bore Dia Tolerance -0.02mm to 0
  • Outer Dia 215 mm
  • Outer Dia Tolerance -0.03mm to 0
  • Width 40 mm
  • Width Tolerance -0.20mm to 0
  • Chamfer Dimension r1,2(min.) 2.1 mm
  • Chamfer Dimension r3,4(min.) 2.1 mm
  • Permissible Axial Displacement(max.) 1.9 mm
  • System of Measurement Metric
  • Roller Bearing Type Cylindrical
  • For Load Direction Combined
  • Construction Single Row
  • Inner Ring Type With Inner Ring
  • Seal Type Open
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel cage, roller centred
  • Dynamic Radial Load 87750 lbf
  • Static Radial Load 96750 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 4000 rpm
  • Weight 5.65 kg
  • Shoulder Dia Of Outer Ring 186.83 mm
  • Raceway Diameter Of Inner Ring 143.5 mm

Features

Performance Features of NU 224 ECJ Bearing

NU 224 ECJ Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 87,750 lbf, making it suitable for heavy-duty applications.

The steel cage keeps the rollers centred, ensuring smooth operation and reduced wear.
With a maximum speed of 4,000 rpm, it balances performance and durability.

NU 224 ECJ Bearing operates in temperatures from -30° to 110°C, adapting to various environments.
Its open design allows for easy lubrication with grease or oil, simplifying maintenance.

Application

Industrial Uses of NU 224 ECJ Bearing
NU 224 ECJ Bearing is commonly used in heavy machinery like industrial gearboxes and large electric motors, where its cylindrical roller design handles high radial loads efficiently. The open seal type allows for easy lubrication, extending service life in demanding conditions.

Where Is NU 224 ECJ Bearing Used?
You’ll often find NU 224 ECJ Bearing in conveyor systems and mining equipment, thanks to its robust chrome steel construction. Its ability to handle combined loads makes it versatile for both radial and axial force scenarios.

Built for Heavy-Duty Use: NU 224 ECJ Bearing
NU 224 ECJ Bearing excels in steel mills and paper processing plants, where its steel cage ensures stability under extreme temperatures. The metric sizing makes it a reliable choice for European and Asian industrial standards.

Automotive vs Aerospace: Applications of NU 224 ECJ Bearing
In automotive applications, NU 224 ECJ Bearing supports drivetrain components like differentials, while in aerospace, it’s used in auxiliary power units. Its high-speed capability (up to 4000 rpm) ensures smooth operation in both fields.

Perfect Fit for Automation: NU 224 ECJ Bearing
NU 224 ECJ Bearing is ideal for robotic arms and automated assembly lines, where precision and durability are key. The grease or oil lubrication options adapt easily to different operational environments.

Q&A

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